Professor of English Linguistics, University of Regensburg

Professor of English Linguistics, Stockholm University

Associate Professor at the University of Texas at San Antonio

President's Chair Professor in Education, NIE, NTU

Arizona State University

Professor of Applied Linguistics, Chinese University of Hong Kong

Professor of Applied Linguistics at King Abdulaziz University

Department of English, The Hong Kong Polytechnic University

Distinguished Service Professor of Linguistics and India Studies, Stony Brook University

Professor of Languages and Literacies at Wits University